Technician a Says a Drum Filled with Thick Fluid That

Multiple Choice

Technician A says a drum filled with thick fluid that houses several closely fitted, thin steel discs that are connected to the front and rear axles is called a viscous coupling. Technician B says to provide different amounts of torque to the drive axles, a viscous coupling uses a gear set similar to a differential. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B